135670173 has 8 divisors (see below), whose sum is σ = 182494848. Its totient is φ = 89646144.

The previous prime is 135670159. The next prime is 135670181. The reversal of 135670173 is 371076531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135670173 - 2⁹ = 135669661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135670133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199765 + ... + 200442.

It is an arithmetic number, because the mean of its divisors is an integer number (22811856).

Almost surely, 2^135670173 is an apocalyptic number.

It is an amenable number.

135670173 is a deficient number, since it is larger than the sum of its proper divisors (46824675).

135670173 is a wasteful number, since it uses less digits than its factorization.

135670173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400323.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 135670173 is about 11647.7539895037. The cubic root of 135670173 is about 513.8402570511.

The spelling of 135670173 in words is "one hundred thirty-five million, six hundred seventy thousand, one hundred seventy-three".